Open coil mattresses

Open coil mattresses are most commonly known as the Bonnell Spring System. Here's details of the options available with this mattress type:

This is the most commonly-used springing system in the world for budget to mid priced mattresses.

The specifications of sprung mattresses are classified in "Guages". This refers to the number of coils (or springs) contained within a specified area of the mattress.

There are two specifications - 13.5 gauge and 12.5 gauge

The 13.5 gauge provides a soft feel mattress which is ideal for children and teenagers.

The 12.5 gauge provides a 'medium firm' feel and is therefore better suited for older teenagers and adults.

More often than not, 'Open Coil' mattresses will contain the 'softer' 15 gauge spring system.

In a good quality open coils mattress, a border in the form of a wire frame, running around the entire spring system, gives the mattress a firm edge and helps to retain its shape as well as providing edge-to-edge support.

More budget range sprung mattresses will be framed with a plastic edge and on only two sides.

The finish on these type of sprung mattresses will normally be a quilted and machine stitched covering, rather than a hand-stitched one, to keep them within an affordable price range.

Many of these types of mattresses will only have handles and air vents on the higher quality/specification models.

Pocket sprung mattresses

Pocket Sprung Mattresses are more luxurious than open coil mattresses, as the springs are housed within individual fabric pockets. Here is a selection of facts about this type of mattress to help you decide:

The springs work independently to respond to individual body weight.

The specifications on pocket sprung mattresses refer to spring counts from 600 to 10,000 (and more) to suit all comfort levels and price points and are suitable for older teenagers and adults.

All spring counts are based on a standard King Size mattress (150cms x 200cms or 5'0" x 6'6") and the biggest majority of pocket sprung mattresses will fall into the 1,000 to 2,000 spring count range.

Pocket sprung mattresses often have hand stitched sides which provide strong, stable edges and within the industry, hand stitching is considered to be a visible measure of the craftsmanship and quality of a mattress.

Pocket Sprung mattresses are usually manufactured with handles and air vents, which further add to the quality and durability of the product.

Above 2000 spring count, mattresses are manufactured with layers of shallow pocket springs, allowing manufacturers to produce a more luxurious and specifically tailored range of mattresses. This quality of mattress will often incorporate more natural fillings such as wool, silk and cashmere, all adding to the 'feel' and luxuriousness of the mattresses and of course the cost.

Mattresses with a 2000+ spring count are recommended if there is a size difference between you and your partner, as they minimises the risk of you rolling towards each other during the night.

Miracoil spring system

The Miracoil Spring System is unique to Silentnight Beds and is very well established as it has been in manufacture for over 20 years.

A Miracoil spring mattress is manufactured using a continuous wire, running from the head to the foot of the mattress. This continuous wire is formed into 'spring-like' shapes and each continuous wire length is joined onto the next by the use of a spiral helical wire - similar to an Open Coil spring unit.

This system creates a firm feel mattress, so additional filling layers are used to achieve a more comfortable Miracoil mattress, where a softer feel is required.

Visco-elastic mattresses (memory foam)

'Memory Foam' is a product originally designed for NASA in the 1960's to help support Astronauts during their long flights. The details below will help you when considering this mattress type:

Essentially very dense foam, it uses heat sensitive technology that responds to the warmth and weight of the body. Body heat softens the foam allowing it to mould to your contours, ultimately providing all the necessary support and desired comfort that you need for a restful night's sleep.

Hypo-allergenic with anti-microbial properties.

Provides support and enables natural movement during sleep

Helps to maintain correct posture and align spine horizontally when lying on your side

Although there is no medical evidence to support it, memory foam mattresses and pillows are favoured by many people who suffer with back and neck problems as they can reduce the pressure on the spine and subsequently aid pain relief.

Good quality Memory Foam mattresses are generally constructed with a layer of memory foam on top that is either 25mm or 50mm thick (approximately).

Generally memory Foam mattresses are designed as a non-turn mattress, as due to the cost of the Memory Foam itself, mattresses are constructed with the foam on the top only.

Cheaper memory Foam mattresses will not state the depth of Memory Foam used and this can sometimes be as little as 5mm.

Memory foam mattresses are very warm to sleep on. However, this is often considered to be a negative point. The foam retains body heat and prevents air flow though the mattress, subsequently creating heat build up which is not desirable during the warmer months of the year. New developments have thus seen the introduction of a range of Blue Cool Memory Foams and cool touch coverings, designed to keep the body cool during sleep.

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